<?php
/**
 * Created by PhpStorm.
 * User: wodrow
 * Date: 3/28/17
 * Time: 11:22 AM
 */

namespace common\models;


class GpsPlatform extends \common\models\base\GpsPlatform
{
	public static function findByPreSign($pre_sign)
	{
		return self::findOne(['pre_sign' => $pre_sign]);
	}
}